/Engine/Source/Runtime/Engine/Public/ShowFlags.h
Used byTCustomShowFlagto register a show flag from another module.
static [ECustomShowFlag](API\Runtime\Engine\FEngineShowFlags\ECustomShowFlag) RegisterCustomShowFlag ( const TCHAR * Name, bool DefaultEnabled, EShowFlagGroup Group, [FText](API\Runtime\Core\Internationalization\FText) DisplayName )